RRB Group D / RPF Constable Exam > RRB Group D / RPF Constable Videos > Railway Loco Pilot Exam Preparation (in Hindi) > Tetrahedron समचतुष्फलक - Expected questions for SSC CGL Mains - Quantitative Aptitude Concepts
Tetrahedron समचतुष्फलक - Expected questions for SSC CGL Mains - Quantitative Aptitude Concepts Video Lecture | Railway Loco Pilot Exam Preparation (in Hindi) - RRB Group D / RPF Constable
FAQs on Tetrahedron समचतुष्फलक - Expected questions for SSC CGL Mains - Quantitative Aptitude Concepts Video Lecture - Railway Loco Pilot Exam Preparation (in Hindi) - RRB Group D / RPF Constable
| 1. What are the properties of a tetrahedron? |  |
Ans. A tetrahedron is a polyhedron with four triangular faces, six edges, and four vertices. Its properties include having all faces as equilateral triangles, all edges having equal length, and all angles between the faces being equal.
| 2. How can I calculate the volume of a tetrahedron? | |
Ans. The volume of a tetrahedron can be calculated using the formula V = (1/3) * A * h, where V is the volume, A is the area of the base triangle, and h is the perpendicular height from the base to the opposite vertex.
| 3. What is the Euler's formula for a tetrahedron? | |
Ans. Euler's formula for a tetrahedron states that the number of vertices (V), edges (E), and faces (F) of a tetrahedron are related by the equation V + F - E = 2.
| 4. How can I find the centroid of a tetrahedron? | |
Ans. The centroid of a tetrahedron can be found by taking the average of the coordinates of its four vertices. This means adding up the x-coordinates, y-coordinates, and z-coordinates of the vertices and dividing them by 4.
| 5. How can I determine if a tetrahedron is regular or irregular? | |
Ans. A tetrahedron is regular if all its faces are equilateral triangles and all its edges have equal length. If any of the faces are not equilateral or any of the edges have different lengths, then the tetrahedron is irregular.
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